Adapter, Lower Ground Mouth Size 24/25, Upper Ground Mouth Size 24/25, Overall Length 75 mm, USP Specification Type I, Product Type Adapter, Type Adapter, Material Borosilicate Glass, Color Clear, Autoclavable No, Features Funnel and Pluro Stopper Sold Separately, Top Designed for a Pluro Stopper, Standards Not Applicable, Upper Ground Stopper Size 3, ASTM Specification E438